JP2002341911A - Remote system for numerical controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a remote system for a numerical controller by which a remote operation of an NC machine tool at a remote place in an operating method completely same as that for the NC machine tool at the remote place and no NC device performs a wrong operation even when an operation on the side of the NC device and the remote operation are simultaneously performed. SOLUTION: A host computer 31 is provided with a simulated operation board screen display means to display the simulated operation board screen to simulate an operation board of a numerically controlled machine tool and an operation data transmitting means to detect an operation of an operator to the displayed simulated operation board screen and to transmit the operation data to the numerical controller and the numerical controller is provided with an operation data receiving means to receive the operation data from the host computer and an operation performing means to perform an operation similar to the one when the operation board of the numerically controlled machine tool is operated based on the received operation data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control system for a numerical controller.

[0002]

2. Description of the Prior Art FIG.
1 is a configuration diagram of a remote system (referred to as an NC device).
111 is a host computer, 112 is a communication processing unit, 1
13 is a reception process, 114 is a transmission process, 115 is a main process for displaying NC screen data, 116 is an input device such as a keyboard, 117 is a video RAM (hereinafter referred to as VRA).
M), 118 is a display device such as a CRT, 119 is various data processing for data collection, 120 is screen data (VRAM data) creation processing, and 121 is VRAM data display processing. Reference numeral 122 denotes a communication line. 123
Is an NC device, 124 is a communication processing unit, 125 is a reception process,
126 is transmission processing, 127 is reception command analysis processing,
128 is a main process for collecting NC screen data,
129 is various data processing for data collection, 130
Is a screen data (VRAM data) reading process, 131
Denotes a VRAM, 132 denotes a display device such as a CRT, and 133 denotes an input device such as a keyboard.

FIG. 34A shows a remotely collected NC.
It is a flowchart of a process on the host computer 111 side for redisplaying screen data. (B) of FIG.
11 is a flowchart of a process on the NC device 123 when collecting screen data and transmitting the screen data to the host computer 111. Details of these flowcharts will be described later.

FIG. 35 shows an NC unit 123 used when collecting data of an NC screen and transmitting it to the host computer 111.
FIG. 3 is a conceptual diagram showing a flow of data in FIG. 111 is a host computer, 122 is a communication line such as RS232C, 1
23 is an NC device, 144 is an NC system S / W, 124
Is a communication processing unit, 146 is a data window for collecting data, and 147 is an example of data inside the NC that can be collected from the data window 146. Reference numeral 148 denotes the host computer 111 and the NC device 1
23 is an example of a data configuration to be transmitted and received.

Next, the processing on the host computer 111 will be described with reference to FIGS. 33 and 34 (a). When the operator starts using the input device 116, the main process 115 creates an NC screen data collection command (G1). Next, the transmission process 114 adds communication data such as a header and a checksum to the NC screen data collection command, and sends the NC device 1
23 (G2, G3). Then, the NC device 12
Wait for NC screen data from G3 (G4). Reception processing 11
3 receives the NC screen data, checks whether the NC screen data is correct or not, and passes it to various data processing 119 (G5).
Screen data creation processing 12 of various data processing 119
0 converts NC screen data to VRAM data (G
6). The VRAM data display processing 121 is executed by the VRAM 11
7, the NC screen data is displayed on the display device 118 (G7). The conversion from the NC screen data to the VRAM data is performed by masking the character data portion used in the NC device 123 and using a previously created NC kanji data-host computer kanji data conversion table.

Next, FIG. 33 and FIG. 34B show that N
The processing on the C device 123 side will be described. When the operator starts using the input device 133, the communication processing unit 124
Is in a state of waiting for an NC screen data collection command from the host computer 111 (G11). Reception processing 1
25 receives the NC screen data collection command from the host computer 111, checks whether the received data is correct or not, and passes it to the main processing 128 (G12). Main processing 1
28 performs command analysis by the received command analysis process 127 and passes it to various data processes 129 (G1
3). The screen data reading processing 130 of the various data processing 129 is performed by the VRAM 131 as the screen data.
The M data is read (G14, G15). Transmission processing 12
No. 6, after adding communication data such as a header and a checksum to the VRAM data, transmits the data to the host computer 111 via the communication line 122 (G16, G1).
7).

Next, data collection in the NC unit 123 will be described with reference to FIG. An NC screen data collection command is received via the communication processing unit 124, and the NC data 147 of the designated item is obtained. The screen data reading process 130 collects the NC data 147 of the specified item via the data collection window 146. The collected NC data is transmitted to the host computer 111 via the communication processing unit 124. In addition, 1
48 is an example of a data configuration transmitted and received on the communication line 122. By the way, in connection with the remote system of the NC device 123, JP-A-2-77907 discloses that
An NC device and a host computer are connected by a communication line, and an image displayed on a display unit of the NC device is converted into text data or coded drawing data by a remote command from the host computer and transferred to the host computer, There is disclosed a technique for displaying the information on a screen of the host computer. JP-A-63-181008 discloses that an NC device and a host computer are connected by a communication line, and a command image corresponding to a button on an operation panel of the NC device is displayed on a screen of the host computer. A technology has been disclosed in which a state display image reflecting various states of the apparatus and the NC machine tool is displayed so that the NC apparatus can be remotely operated from a host computer.

[0008]

The conventional remote system for a numerical controller has the following problems. (1) When attempting to remotely operate an NC machine tool at a remote location, a data file describing the contents to be operated must be created, which is very troublesome. In the case of using the prior art disclosed in Japanese Patent Application Laid-Open No. 63-181008, if the operation of the operation panel of the NC unit and the remote operation from the host computer are performed simultaneously, the two operations compete with each other. Therefore, there is a possibility that the NC device performs an illegal operation. (2) The output state of the lamp on the operation board of the NC machine tool at a remote location cannot be confirmed. (3) Since the displayed NC screen is stored as a file, it is necessary to analyze the file when reproducing. (4) When displaying the machine operation board of the NC machine tool on the screen, programming must be performed. (5) Since data collected from the NC machine tool is fixed, data required for performing a diagnosis cannot be changed.

The present invention has been made to solve the above problems, and has the following objects. (1) A remote NC machine tool can be remotely operated in exactly the same manner as a remote NC machine tool, and even when the NC device side operation and the remote operation are performed simultaneously, the NC device is illegal. Provide a remote system of a numerical controller that does not operate. (2) To provide a remote system of a numerical control device capable of confirming a lamp output state of an NC machine tool at a remote place. (3) To provide a remote system of a numerical control device capable of saving and reproducing the displayed NC screen as it is. (4) To provide a remote system of a numerical control device capable of freely creating a screen similar to an operation board of an NC machine tool at a remote place. (5) To provide a remote system of a numerical controller capable of freely setting data to be collected from an NC machine tool.

[0010]

In order to achieve the object of (1), the present invention provides a numerical controller, a communication line,
In a remote system of a numerical control device comprising a host computer communicating with the numerical control device through the communication line, a simulated operation board screen display for displaying a simulated operation board screen simulating an operation board of the numerically controlled machine tool on the host computer. Means, and operation data transmission means for detecting an operator's operation on the displayed simulation operation board screen and transmitting the operation data to the numerical control device, and receiving the operation data from the host computer in the numerical control device. Operation data receiving means, when receiving the operation data, inhibits the operation board of the numerically controlled machine tool from accepting an operation from an operator, and performs the same operation as when the operation board is operated based on the received operation data. Exclusive operation execution means for executing the operation is provided. To provide remote system of the numerical controller, characterized in that.

In order to achieve the above object (2), the present invention provides a remote system for a numerical control device which achieves the above object (1), wherein the numerical control device stores the lamp state data of the numerically controlled machine tool. A lamp state data transmitting unit for transmitting to the host computer is provided, and a lamp state data receiving unit for receiving lamp state data from the numerical controller is provided in the host computer, and the simulation operation board screen display unit includes the lamp state data. The present invention provides a remote system for a numerical control device characterized in that a display simulating the lamp state of a numerically controlled machine tool is displayed on a simulation operation board screen based on the above.

In order to achieve the above object (3), the present invention provides a remote control system for a numerical controller which achieves the above object (1) or (2). Provided is a remote system for a numerical control device, comprising an operation board information storage / reproduction means for storing / reproducing information.

In order to achieve the above object (4), the present invention provides a remote control system for a numerical controller according to any one of the above (1) to (3), wherein a host computer is provided with a simulation operation board screen. A screen definition file in which the arrangement of switches and keys, display characters and types are set, and the simulation operation board screen display means displays a simulation operation board screen based on the screen definition file. Provide a remote system for the control unit.

In order to achieve the above object (5), the present invention provides a remote control system for a numerical control device comprising a numerical control device, a communication line, and a host computer communicating with the numerical control device through the communication line. The present invention provides a remote system for a numerical control device, wherein the numerical control device is provided with interface means for receiving data collected by custom software created by a machine tool maker and transmitting the data to a host computer.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a configuration diagram of a remote system of a numerical controller according to the present invention. 31 is a host computer, 32 is V
A RAM 33 is a display device such as a CRT, and 34 is an input device such as a keyboard. 35 is various data processing for data collection, 36 is NC VRAM data analysis processing, 37 is screen data creation processing, and 38 is machine operation board screen creation processing. 39 is a bitmap data analysis process, 40 is a bitmap data creation process, and 41 is a PC contact output data editing process. 42 is a PC contact input data editing process, and 43 is a key data editing process. 44 is a main process for collecting NC screen data, 45 is a transmission command creation process, 46 is a screen data display process, 47
Denotes a lamp output display process, and 48 denotes a remote control process. 51 is a communication processing unit, 49 is a reception process, and 50 is a transmission process. 52 is a communication line such as RS232C.

Reference numeral 53 denotes an NC unit, 54 denotes a communication processing unit, 55
Is a reception process, and 56 is a transmission process. 57 is a main process for collecting and controlling NC screen data, 58 is a received command analysis process, 59 is a screen data collection process, 60 is a lamp output display process, and 61 is a remote control process. 6
2 is various data processing for data collection, 63 is VR
AM data reading processing, 64 is VRAM difference data creation processing, 65 is bitmap data reading processing, 66
Is a bitmap difference data creation process, 67 is a PC contact data output process, 68 is a PC contact data input process, and 69 is an NC key data input process. 70 is a VRAM, 71
Is a bit map memory, and 72 is a display device such as a CRT. 73 is a PLC control process, 74 is a machine main body, 75 is a machine operation board, 76 is an input device such as a keyboard, and 77 is an NC key process. The PLC is a dedicated control device / program for turning ON / OFF a contact of a machine.

FIG. 2 shows the NC unit 53 when collecting screen data.
3 is a S / W configuration diagram of FIG. 81 is a communication process, 82 is a screen data / PC contact output data collection process, 83 is various data on a screen display, 84 is VRAM data, 85 is a screen data buffer, 86 is a VRAM difference data detection process, 87
Is a bitmap data, 88 is a data buffer initialization process, 89 is a bitmap data buffer, 90
Denotes a bitmap difference data detection process, 91 denotes PC contact data, 92 denotes a PC contact data buffer, 93 denotes a PC process, and 94 denotes a PC contact.

Next, N in the remote system shown in FIG.
The operation of collecting and displaying the C screen data and the operation of the remote control will be described. First, the processing on the host computer 31 side will be described. The main processing 44 is operated on the host computer 31 by the input from the input device 34 by the operator. The screen data display processing 46 is started from the main processing 44, and the machine operation board screen creation processing 38 is started from the screen data display processing 46. Display the machine operation board screen as shown.

FIG. 3 shows a schematic configuration of a machine operation board screen, and FIG. 4 shows a specific example realized. In the machine operation board screen of FIG. 3, (A) is an NC screen content display portion, (B) is a key data editing portion for inputting an NC key, and (C) is a switch corresponding to each switch of the machine operation board. (D) and (E) are commands for remote control, (F) is a message / status display area for displaying the status of remote control, and (G) is a portion corresponding to the NC menu key / function key. In the machine operation board screen of FIG. 4, (H) indicates a portion corresponding to the NC rotary switch.

When the machine operation board screen is displayed, the screen data display processing 46 creates an NC screen data collection command. Further, the lamp output display process 47 creates a PC contact output command command. These command commands are added to communication data such as a header and a checksum in a transmission process 50 and then transmitted to the NC via a communication line 52.
It is transmitted to the device 53. After that, it waits for data from the NC device 53. When the data is received from the NC device 53, the reception processing 49 checks whether the received data is correct or not, and passes the NC screen data to the various data processing 35 via the main processing 44.

The character data of the NC device 53 is NC
The data is analyzed by the VRAM data analysis processing 36, and is expanded in the case of difference data. Then, in the screen data creation processing 37, the NC screen data is converted into the screen data of the host computer 31. The conversion of the data is performed by masking the character data portion of the screen data used in the NC device 53 and using a previously created NC kanji data-host computer kanji data conversion table. In the case of difference data, the previous data is changed by the change. The converted data is displayed on the NC screen content display section (A) of the machine operation board screen of the display device 33 via the VRAM 32.

The graphic data of the NC unit 53 is analyzed by a bitmap data analysis process 39, and is converted into bitmap data by a bitmap data creation process 40. The converted data is displayed on the NC screen content display section (A) of the machine operation board screen of the display device 33 via the VRAM 32.

The data of the lamp contents displayed on the NC machine tool passes through a lamp output display processing 47 and a PC contact output data editing processing 41, and a switch corresponding portion (C) of the machine operation board screen of the display device 33. Is reflected in For example, as shown in FIGS. 5A and 5B, when the lamp is output, the display is red, and when the lamp is not output, the display is in a normal state. FIG. 5A has a switch function, and FIG. 5B shows only a lamp display.

The operator clicks the switch corresponding portion (C) or the NC menu key / function key corresponding portion (G) on the machine operation board screen of the display device 33 with the mouse based on the displayed contents of the NC machine tool screen. Then, a machine input is performed or a screen is changed to perform an operation of starting the NC machine tool. When the mouse is clicked, a corresponding command is transmitted to NC device 53.

Input from the keyboard of the host computer 31 is performed by the operator selecting a key of the host computer 31 corresponding to the NC key from the "host computer key: NC key correspondence table" in FIG. . When the operator performs a key input, the remote control processing 48 displays the input key code in the key data editing part (B) of the machine operation board screen in the key data editing processing 43. The input key code is input and edited while looking at the key data editing portion (B). After the input / edit of the input key code is completed, clicking [Send] of the remote control command (D) causes the input key code to be transmitted from the host computer 31 to the N.
It is transmitted to the C device 53.

According to the command transmitted from the host computer 31, the state of the NC machine tool and the screen contents change. The changed screen content is transmitted from the NC device 53 to the host computer 31 and reflected on the NC screen content display section (A) of the machine operation board screen. Further, the lamp contents of the NC machine tool are transmitted from the NC device 53 to the host computer 31 and reflected on the switch corresponding portion (C) of the machine operation board screen.

When "Save" is clicked on the remote control command (D) on the machine operation board screen, display data such as the NC screen content display section (A) and the switch corresponding section (C) are stored as shown in FIG. You. Then, the save screen is freely reproduced. At the time of reproduction, a save screen is displayed in a configuration as shown in FIG.

The layout of the machine operation board screen is shown in FIG.
, The switch definition file of FIG. 10, and the function key corresponding file of FIG. 11, the design can be freely performed. Each of these three files is composed of ASCII data.

The switch coordinate file shown in FIG. 9 is a file for defining the position / display contents of the switch to be displayed. The switch corresponding portion (C) of the machine operation board screen is divided into several large areas, each of which is a master window. Is defined. Then, the switch name, the coordinates of the position where the switch is displayed, the key type, the character type, and the key display character (displayed content) are described in the master window. As for the position, it is convenient to perform the operation in units of pixels as shown in FIG.

The switch definition file shown in FIG. 10 is a file for defining various kinds of information of a switch to be displayed. For each switch name corresponding to the switch name defined in the switch coordinate file, key content, key type, information for input device, information for output device, OF
F key (when there is another switch that is forcibly made negative when the switch becomes active, the other switch is described).

The function key correspondence file shown in FIG. 11 is a file describing an NC key corresponding to a function key. The key code of the NC key corresponding to the function key and the character string to be displayed are described. At the time of inputting the NC key, a key code corresponding to the NC key is obtained by referring to the function key corresponding file and the “host computer key: NC key correspondence table (FIG. 6)”.

Next, returning to FIG. 1, the processing on the NC unit 53 will be described. When activated by the operator from the NC keyboard 76, the communication processing unit 54 waits for a command from the host computer 31. When receiving the command command from the host computer 31, the receiving process 55 checks whether the received data is correct or not, and passes it to the main process 57. Receive command analysis processing 5 of main processing 57
8 analyzes the command command.

When the command command is a screen data transfer command, the screen data collection processing 59 starts the VRAM data reading processing 63 and reads the contents displayed on the display device 72 from the VRAM 70. Further, data other than the screen data as illustrated in FIG. 13 is read. If the command command requires differential data, the VRAM
In the difference data creation processing 64, a change from the previous data is detected and converted to the format shown in FIG. In the case of bitmap data (graphic data), bitmap data is read from the bitmap memory 71 in a bitmap data reading process 65, and a change from the previous data is read in a bitmap difference data creation process 66. Is converted based on the bitmap data difference method shown in FIG. Then, the transmission processing 56 adds communication data such as a header and a checksum to the obtained data, and transmits the data to the host computer 31 via the communication line 52.

If the command is a PC contact output data transfer request, a PLC contact data output process 67 executes
Through processing 73, the contents of the designated PC contact are read, and are converted into the formats shown in FIGS. 16A and 16B based on the designation from the host computer 31. Then, the transmission processing 56 adds communication data such as a header and a checksum to the obtained data, and transmits the data to the host computer 31 via the communication line 52.

If the command is a PC contact input or NC key data input, the remote control processing 61 prohibits a contact signal from the machine operation board 75 and a key input from the NC keyboard 76. In the case of a PC contact input, data is written to a designated PC contact in a PC contact data input process 68. In the case of NC key data input, the NC key data input processing 69
The C key code is passed to the NC key processing 77.

Next, a specific processing example will be described with reference to FIGS. In the flowchart of FIG. 17, first, an internal temporary file is initialized (H1), and each information file of designated machine operation board image data is read (H2). Next, the display screen is set and initialized (H3). Next, a screen update process is started (H4), and a page number is set (H5). After that, it enters an input waiting state and loops (H
6). (1) When [Save] is input, the save process (H8;
18) is performed.

(2) If [End] is input, an internal data file is created (H10). If the file exists, it is determined that the file is being processed (H12), and the data file is deleted. It loops until it is done (H11). If the data file does not exist, it is determined that the data file has not been processed, and the data file is deleted (H13). And
After confirming that "SIGNAL" has arrived, the screen updating process is terminated (H14).

(3) When an NC key is input, a code corresponding to the input key is stored in a character buffer in a key input analysis procedure (H16) (H17), and the input code is stored in a key input area. (H1
8).

(4) In the case of updating the screen, the PLC data is displayed on the screen in the button reflection processing (H19) (H2).
0).

(5) When [Send] is input, key input transmission processing (H21) is performed, input key scheduling is performed (H22), and characters displayed in the key input area are deleted (H23). ).

(6) When a function key is input, a function key input process (H24) is performed, and the contents are stored in a key input area and a character buffer (H25).

(7) When an operation button is input, a button pressing process (H26) is performed, and a PLC related portion process (H27) is performed.

Next, the storage process (H8) will be described. In FIG. 18, first, the internal data file is
EN (H8-1), and if OPEN is normally completed (H8
-3) Assuming that a file already exists, and looping until the file is deleted (H8-2). Then, another data file is created (H8-4). If the file already exists (H8-5), the process ends (H8-6). If there is no file (H8-5), the name of the file to be saved is written and CLOSE is performed (H8-7). Next, an internal data file is created (H8-8). Here, the file already exists (H8-
If 9), the process ends (H8-10). If there is no file (H8-9), a PLC storage file is created (H8-11) and the PLC information is stored (H8-11).
8-12). Next, the page number is incremented (H
8-13), the internal data file is read open (H8-14). At that time, OPEN (H8-1
6) If done, loop (H8-15); if not, display page number (H8-17).

Next, the PLC related processing (H27) will be described. In the main part of the screen updating process of FIG. 19, first, the following signal is ignored (H27-
2). If there is a data file, the process loops until it is deleted (H27-3). If not,
An internal data file is created (H27-5). If the internal data file has already existed (H27-7), the process loops until the internal data file is deleted (H27-6). 27), screen data is received (H27-8), and a data file is created (H27).
-9). Here, if the error is existing (H27-11), the process loops until the error is deleted (H27-1).
0). Otherwise, the PC data is written into the data file (H27-12), and the internal data file is deleted (H27-13). Then, the screen update processing (H27
-14), and if there is a file, save processing (H27-)
15), delete the file (H27-16), and display again (H27-18). If there is no file, it is displayed again. Then, Expose is sent to the monitor (H27-19), and button reflection processing is performed (H2
7-34). In the following, a signal is received (H27
-20). If there is a file, save processing (H27-21)
And delete the file (H27-22). If there are no more files, idle for 1 second (H27-24),
If the number of interval seconds has been exceeded (H27-25), the process is forcibly terminated (H27-44) by returning to the beginning of the screen update processing main section (H27-1) or pressing the end button from the monitor (H27-44). 45). If not, the existence of the file is checked again (H27-2).
3).

Next, transmission processing on the monitor side will be described. First, there is an internal data file (H27-2).
If it is 9), loop until it is deleted (H27-2)
8). If not, an internal data file is created (H27-30). Here, the input PLC data is transmitted (H27-31), the internal data file is deleted (H27-32), and a signal is sent to the screen update processing main part (H27-33).

Next, the button reflection processing on the monitor side will be described. Expose is sent from the screen processing main unit (H27-34), and an internal data file is created (H27-34).
27-35), if an error exists (H27-37), loop until it is deleted (H27-36), and create an internal data file. Otherwise, if the data file does not exist (H27-38), the process waits (H27-39), and if it exists, the data file is copied to the work file (H27-40). And
The data file is deleted (H27-41), and the internal data file is deleted (H27-42). Here, a button color operation is performed (H27-43).

Next, the NC screen data collection processing will be described. In FIG. 20, the reading range of the VRAM is determined (I2), the VRAM data is read (I3),
Mask only necessary bits in VRAM data (I
4). When all data transmission is designated (I5), the screen data is written to the buffer (I6), the contents of the screen data buffer are copied to the transmission buffer (I7), and a break from graphic data is added (I15). next,
If all data transmission is not specified (I5), the data is compared with the screen data buffer (I8). Here, if there is a difference (I
9) The position of the difference data is detected (I10), overwritten on the screen data buffer (I11), and converted into the format of the difference data (I12). Then, the contents of the screen data buffer are copied to the transmission buffer (I13), and if all data has not been completed (I14), the process returns to I8.
If there is no difference (I9), it is checked whether or not all the data has been completed (I14), and if not, the process returns to I8. Upon completion (I14), a break from graphic data is added (I15). Here, when all data transmission is designated (I16), the bitmap data buffer is initialized (I17), and only necessary bits of the bitmap data are masked (I18). If all data transmission is not specified (I16), only necessary bits of the bitmap data are directly masked (I18). Then, the contents of the bitmap data and the bitmap data buffer are compared (I19). Here, if there is a difference (I20), the position of the difference data is detected (I21), overwritten on the bitmap data buffer (I22), converted into a transfer format (I23), and written into the transmission buffer (I21).
24) Check whether all data has been completed (I25). If there is no difference (I20), it is checked whether or not all data has been completed (I25). If not, the process returns to I19. If the processing has been completed, this processing ends (I26).

Next, the PC contact output data collecting process will be described. In FIG. 21, the reading range and the score of the PC contact are determined (J2). Then, the PC contact data is read (J3), converted into a data format for PC contact processing (J4), and written into the transmission buffer (J3).
5).

Next, the remote control processing will be described. In FIG. 22, when the key input request is selected, the input of the key data is switched from the machine operation board to the input from the internal buffer (K2). Then, the transmitted key data is written into the remote control key buffer (K3), and the input of the key data is switched to the input from the machine operation board (K4). Then, this process ends. On the other hand, when the PC contact input request is selected, the input of the PC contact is switched from the machine operation board to the input from the internal buffer (K5). Next, the format of the transmitted PC contact data is converted into the NC format (K6). Then, the converted PC contact data is written into the remote control PLC buffer (K7), and is written from the remote control PLC buffer to the PLC buffer (K7).
8). Then, the input of the PC contact is switched to the input from the machine operation board (K9), and this processing ends.

Next, the algorithm on the NC side will be described. In FIG. 23, a loop is performed until a command is received (L2), and when it is received, reception processing is performed (L3), and the command is analyzed (L4). Therefore, by obtaining (1) screen data collection (L5), (2) lamp output data collection (L6), and (3) remote control (L7) commands, communication data is added (L8) and data is sent to the host computer. (L9).

FIGS. 24 to 31 show data flowcharts in the above embodiment.

The first embodiment may be modified as follows. (1) Remote input of the NC key is performed using the keyboard 34 of the host computer 31. However, the NC key may be displayed and input on the machine operation board screen in the same manner as other machine keys. (2) Although the transmission timing of the key data to the NC device 53 is set to the input of the [Send] key, the key data may be transmitted immediately after the key is pressed, or may be transmitted collectively after editing all input items. Good. (3) Although input is performed using a mouse, this may be performed using a touch sensor. (4) Although the parts corresponding to the switches and keys on the machine operation board screen are displayed in English, they may be displayed in any language. (5) Although the display of the bitmap data (graphic data) is performed in monochrome, the display may be performed in a color display by adding a bit representing the color and transmitting the bitmap data.

Embodiment 2 FIG. 32 is an explanatory diagram showing an S / W configuration of the NC unit 53, a custom S / W configuration created by a machine maker, and a flow of data between them. 164 is the N of the NC device 53
C system S / W, 54 is a communication processing unit, and 166 is a data window for collecting various data. 167 is a custom S / W, 168 is an I / F table between the custom S / W 167 and the NC system S / W 164, 169 is a data window user creation function which is a S / W for data collection created by a user, 170 is data Area. 17
1a is an example of a data configuration transmitted from the host computer 31 in the case of a user release command. 17
1b is an example of a data configuration transmitted from the NC device 53 in the case of a user release command. 171c is an example of the data structure passed to the data window in the case of the user release command. Reference numeral 171e denotes a configuration example of I / F data between the NC system S / W 164 and the custom S / W 167.

Next, the operation will be described. From the host computer 31 via the communication line 52, data 171 of a user release command specifying the type of data to be collected
is transmitted to the NC unit 53. NC system S / W1
The 64 communication processing unit 54 analyzes the data 171 a and passes the data 171 c to the data window 166. The data window 166 determines whether or not the data 171c is a user release command.
The I / F table 168 stores the parameters and data transmitted from the host computer 31 as in 171e, and activates the custom S / W 167.
The custom S / W 167 collects data according to the parameters stored in the I / F table 168 and loads the data into the I / F table 168. This processing can be freely configured on the user side.

[0055]

【The invention's effect】. ADVANTAGE OF THE INVENTION According to the remote system of the numerical controller of this invention, it can operate similarly to operating the NC machine tool of a remote place, and also prevents the malfunction by operation of the operation board of an NC machine tool and remote operation conflicting. As a result, operability and reliability of diagnosis are significantly improved. Further, since the lamp output state of the NC machine tool at a remote place can be determined at a glance, the reliability of diagnosis is improved. In addition, since the operation board screen of the remote NC machine tool can be easily created, the operability is significantly improved. Furthermore, since the data required for diagnosis can be obtained without omission by freely setting the data to be collected from the NC machine tool, the reliability of diagnosis is improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a remote system of a numerical controller according to the present invention.

FIG. 2 is an S / W configuration diagram of an NC when collecting screen data.

FIG. 3 is a configuration diagram of a remote control machine operation board display screen.

FIG. 4 is a diagram illustrating an example of a remote control machine operation board display screen.

FIG. 5 is a diagram illustrating a state transition of each button on a machine operation board screen.

FIG. 6 is a diagram showing an example of a correspondence table between keys of a host computer and NC keys.

FIG. 7 is a configuration diagram of a data file for storing a machine operation board display screen.

FIG. 8 is a configuration diagram of a remote control machine operation board display screen during reproduction.

FIG. 9 is a configuration diagram of a data file for creating a machine operation board display screen.

FIG. 10 is another configuration diagram of a data file for creating a machine operation board display screen.

FIG. 11 is another configuration diagram of a data file for creating a machine operation board display screen.

FIG. 12 is a diagram illustrating a configuration example of a layout of a machine operation board display screen.

FIG. 13 is a diagram showing necessary information other than screen data when collecting screen data.

FIG. 14 is a diagram illustrating a format when transferring VRAM difference data.

FIG. 15 is a diagram illustrating a configuration example of an NC bitmap data and a transfer format.

FIG. 16 is a diagram illustrating a format when transferring input / output data of a contact point of a PC.

FIG. 17 is an algorithm diagram of main processing on the host computer side.

FIG. 18 is an algorithm diagram of a storage process on the host computer side.

FIG. 19 is an algorithm diagram of a PLC-related process on the host computer side.

FIG. 20 is an algorithm diagram of an NC screen data collection process on the host computer side.

FIG. 21 is an algorithm diagram of a PC contact data collection process on the host computer side.

FIG. 22 is an algorithm diagram of a remote control process on the host computer side.

FIG. 23 is an algorithm diagram of processing on the NC side.

FIG. 24 is a flowchart of various data on the host computer side.

FIG. 25 is another flowchart of various data on the host computer side.

FIG. 26 is another flowchart of various data on the host computer side.

FIG. 27 is still another flowchart of various data on the host computer side.

FIG. 28 is another flowchart of various data on the host computer side.

FIG. 29 is another flowchart of various data on the host computer side.

FIG. 30 is still another flowchart of various data on the host computer side.

FIG. 31 is a data flowchart of received data.

FIG. 32 is a diagram showing a data flow and an S / W configuration between an NC system and a custom S / W created by a machine maker.

FIG. 33 is a schematic diagram of a conventional S / W configuration for collecting screen data.

FIG. 34 is a flowchart showing a conventional screen data collection algorithm.

FIG. 35 is a diagram showing a data flow and an S / W configuration between a conventional NC system and a custom S / W created by a machine maker.

[Explanation of symbols]

31 Host computer, 32 VRAM on host computer, 33 Display device such as CRT on host computer, 34 Input device such as keyboard on host computer, 35 Various data processing for data collection, 36 VRAM data analysis of NC Processing, 37 screen display data creation processing, 38 machine operation board screen creation processing, 39 bitmap data analysis processing, 40 bitmap data creation processing, 41 PC contact output data editing processing, 42 PC contact input data editing processing, 43 key data Editing processing, 44 main processing for collecting NC screen data, 45 transmission command creation processing, 46 screen data display processing, 47 lamp output display processing, 48 remote control processing, 49 reception processing on a host computer, 50 host computer Transmission processing on Communication processing unit on the 51 host computer, 52 communication line, 5
3 NC unit, communication processing unit on 54 NC unit, 5
5 Reception process on NC device, 56 Transmission process on NC device, 57 Main process for collecting and controlling NC screen data, 58 Reception command analysis process, 59 Screen data collection process, 60 Lamp output display process, 61 Remote control processing, 62 Various data processing for data collection, 63 VRAM data reading processing, 64 VRA
M difference data creation processing, 65 bitmap data reading processing, 66 bitmap difference data creation processing, 6
7 PC contact data output processing, 68 PC contact data input processing, 69 NC key data input processing, 70 VRAM on NC device, 71 bit map memory, 72 N
Display device such as CRT on C device, 73 PLC control processing, 74 machine body, 75 machine operation board, 76 N
Input device such as keyboard on C device, 77 NC key processing, 81 communication processing, 82 screen data / PC contact output data collection processing, 83 various data on screen display, 84
VRAM data, 85 screen data buffer, 86V
RAM difference data detection processing, 87 bitmap data, 88 data buffer initialization processing, 89
Bitmap data buffer, 90 bitmap difference data detection processing, 91 PC contact data, 92 PC contact data buffer, 93 PC processing, 94 PC contact,
111 Host computer, 112 Communication processing unit on NC device, 113 Reception processing in communication processing unit, 114
Transmission processing in the communication processing unit, 115 Main processing for displaying NC screen data, 116 Input device such as keyboard on host computer, 117 Video RAM on host computer, 118 Display of CRT on host computer, etc. Apparatus, 119 Various data processing for data collection, 120 Screen display data creation processing, 121 VRAM display data display processing, 122 communication lines, 123 NC device, 124 NC device communication processing unit, 125 communication processing unit Reception processing, 126 transmission processing in the communication processing unit, 127 received command analysis processing, 128 main processing for collecting NC screen data, 129 various data processing for data collection,
130 VRAM data reading process, 131 VRAM on NC device, 132 CRT or other display device on NC device, 133 keyboard or other input device on NC device,
144 NC system S / W, 146 Window for collecting data, 147 An example of data inside the NC that can be collected from the data window, 148
Example of data configuration transmitted / received to / from host computer, 1
64 NC system S / W, 166 Data window for collecting various data, 167 Custom S / W, 16
8 I / F table between custom S / W and NC system S / W, 169 S / W for data collection created by user
W, 170 Data area where data is stored on the custom side, 171 Data structure in case of user open command.

Claims (5)

[Claims] In a remote system of a numerical control device comprising a numerical control device, a communication line, and a host computer communicating with the numerical control device through the communication line, an operation board of the numerical control machine tool is provided to the host computer. Simulated operation board screen display means for displaying a simulated operation board screen, and operation data transmission means for detecting an operator's operation on the displayed simulated operation board screen and transmitting the operation data to the numerical control device, and An operation data receiving means for receiving operation data from a host computer, the operation data receiving means prohibiting the operation board of the numerically controlled machine tool from accepting an operation from an operator upon receiving the operation data; The same as when the operation board is operated based on An exclusive operation executing means for executing an operation is provided. 2. The numerical controller according to claim 1, wherein the numerical controller includes a lamp state data transmitting unit for transmitting lamp state data of the numerically controlled machine tool to a host computer, and the host computer includes: Lamp state data receiving means for receiving lamp state data from the numerical control device, the simulation operation board screen display means displays the lamp state of the numerical control machine tool on the simulation operation board screen based on the lamp state data. A remote system for a numerical control device, which performs simulated display. 3. The remote control system according to claim 1, wherein the host computer is provided with operation board information storage / reproduction means for storing / reproducing information on the simulation operation board screen. A remote system for a numerical control device characterized by the following. 4. The remote system for a numerical control device according to claim 1, wherein a layout of switches and keys on a simulation operation board screen, and display characters and types are set on a host computer. A remote system for a numerical control device, wherein a definition file is provided, and the simulation operation board screen display means displays a simulation operation board screen based on the screen definition file. 5. A remote control system for a numerical control device, comprising a numerical control device, a communication line, and a host computer communicating with the numerical control device through the communication line. A remote system for a numerical control device, comprising an interface means for receiving data collected by software and transmitting the data to a host computer.